When did LCN change warranty

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For Warranty information, visit us.allegion.com/warranty or contact Customer Service at 877-671-7011.  
Because of the new extended LCN warranties and the desire to be consistent across the entire Allegion premium brands, LCN will be moving away from offering an out-of-warranty repair service beginni...
There are a few things that can cause a closer to slam. The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...
  How to:  What are the steps to adjust a door closer?   Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All cl...
  The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulati...
4810 series is a Top Jamb Pull Side application. 4820 series is a Top Jamb Push Side application. 4840 series is a Parallel Arm Push Side application.
The 4840 and the 4810 are they only cylinders that can be interchanged, they use the same cylinder for their individual applications.